Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9493983 | Louver roller system with cam pin turning mechanism | Yifei Zhang, Chengshang Wu, Huiwen Xu | 2016-11-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9493983 | Louver roller system with cam pin turning mechanism | Yifei Zhang, Chengshang Wu, Huiwen Xu | 2016-11-15 |